Ok, buddy... here's the post you've been waiting for... (lol)
seriously, though... i won't tell you my opinion unless you want a long drawn out conversation, but anyways, here's a link with well over 70 opinions on your EXACT question. Also, it supplies HUGE amounts of factual understanding for anyone else intrigued by this question.
enjoy...
http://www.survive2012.com/why_2012_maya.php
your welcome...
Sean